IWYU : SkDeque will no longer be transitively included

Change-Id: I2650c44f774367c9c60c2e5aa6654292646b1412
diff --git a/libs/hwui/SkiaCanvas.h b/libs/hwui/SkiaCanvas.h
index fd6bbdc..f2d7bda 100644
--- a/libs/hwui/SkiaCanvas.h
+++ b/libs/hwui/SkiaCanvas.h
@@ -26,6 +26,7 @@
 #include "hwui/BlurDrawLooper.h"
 
 #include <SkCanvas.h>
+#include <SkDeque.h>
 #include "pipeline/skia/AnimatedDrawables.h"
 #include "src/core/SkArenaAlloc.h"